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Dynamics of the water molecule density in a discharge chamber filled with a low-pressure humid gas

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Abstract

The dynamics of the H2O molecule density in a metal gas-discharge chamber filled with low-pressure water vapor or its mixtures with noble gases was investigated by manometric and spectral methods. Regimes both with and without discharge excitation were studied. In the absence of a discharge, the molecule density dynamics is governed by the heterogeneous interaction of molecules with the chamber walls. In the presence of a discharge, in addition to the heterogeneous interaction, fast plasmachemical molecule dissociation also contributes to the initial stage of H2O molecule loss. The role of heating of the chamber walls is discussed.

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Authors and Affiliations

  1. Lebedev Physical Institute, Russian Academy of Sciences, Leninskii pr. 53, Moscow, 119991, Russia

    A. V. Bernatskiy & V. N. Ochkin

  2. Moscow Institute of Physics and Technology, Institutskii per. 9, Dolgoprudnyi, Moscow oblast, 141700, Russia

    R. N. Bafoev

  3. ITER Organization, Route de Vinon sur Verdon, St. Paul Lez Durance, 13115, France

    A. B. Antipenkov

Authors
  1. A. V. Bernatskiy
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  2. V. N. Ochkin
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  3. R. N. Bafoev
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  4. A. B. Antipenkov
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Corresponding author

Correspondence to A. V. Bernatskiy.

Additional information

Original Russian Text © A.V. Bernatskiy, V.N. Ochkin, R.N. Bafoev, A.B. Antipenkov, 2016, published in Fizika Plazmy, 2016, Vol. 42, No. 10, pp. 949–954.

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Bernatskiy, A.V., Ochkin, V.N., Bafoev, R.N. et al. Dynamics of the water molecule density in a discharge chamber filled with a low-pressure humid gas. Plasma Phys. Rep. 42, 990–995 (2016). https://doi.org/10.1134/S1063780X16100019

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  • DOI: https://doi.org/10.1134/S1063780X16100019

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